The permissions on the Tanium Client directory must be restricted to only the SYSTEM account on all managed clients.

An XCCDF Rule

Description

<VulnDiscussion>By restricting access to the Tanium Client directory on managed clients, the Tanium client's ability to operate and function as designed will be protected from malicious attack and unintentional modifications by end users.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>

ID: SV-253811r850167_rule
Severity: Medium
References: CCI-002165
Updated: about 1 year ago

1. Using a web browser on a system that has connectivity to the Tanium application, access the Tanium application web UI and log on with multifactor authentication. 

2. Click "Modules" on the top navigation banner. 

3. Click "Interact". 
4. In "Categories" section, select box for "Client Service Hardening".

5. In "Dashboard" section, select "Set Client Directory Permissions".

- The results will show a "Count" of clients' compliant and noncompliant hardening for the "Tanium Client Directory Permissions".
- Noncompliant clients will have a count other than "0" for "Not Restricted" or "Error: No Permissions".

6. Select each of the "Not Restricted" or "Error: No Permissions" statuses.

7. Select "Deploy Action".

8. In the "Deploy Action" dialog box, change the package to "Client Service Hardening - Set SYSTEM only permissions on the Tanium Client directory" as the package.

9. Configure the schedule to repeat at least every 12 hours for the requested action.

10. Under "Targeting Criteria", in the Action Group, select "All Computers" from the drop-down menu.

11. Click "Show preview to continue". Noncompliant systems will be displayed in the bottom.

12. Click "Deploy Action".

13. Verify settings.

14. Click "Show Client Status Details".

The permissions on the Tanium Client directory must be restricted to only the SYSTEM account on all managed clients.

Description

Remediation - Manual Procedure